New unmarked release 1.4.1

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Ken Kellner

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Jan 10, 2024, 10:02:43 AM1/10/24

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Hi all,

There is a new version of unmarked on CRAN (1.4.1). The windows binary package is not available yet but should be in the next couple days.

This version fixes the bug in occu() with random effects I described a few days ago (https://groups.google.com/g/unmarked/c/e2oiLcQemn8).

It also adds support for two new models:

* goccu(), which fits detection/non-detection data with two scales (temporal or spatial) collected in a robust-design-like framework (see ?goccu and DOI:0.1111/j.1365-2664.2008.01509.x for an example). This allows estimation of an availability parameter.

* occuCOP(), which fits a single-season occupancy model using count data (see ?occuCOP and DOI:10.1101/2023.11.17.567350).

Many thanks to Léa Pautrel for contributing occuCOP to unmarked! Let us know if you run into problems with either new function.